diff --git a/src/jobflow_remote/remote/data.py b/src/jobflow_remote/remote/data.py
index 15b80059..aa67e5f6 100644
--- a/src/jobflow_remote/remote/data.py
+++ b/src/jobflow_remote/remote/data.py
@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import inspect
 import io
 import logging
 import os
@@ -7,12 +8,19 @@
 from typing import Any
 
 import orjson
+from jobflow.core.job import Job
 from jobflow.core.store import JobStore
 from maggma.stores.mongolike import JSONStore
 from monty.json import jsanitize
 
+from jobflow_remote.jobs.data import RemoteError
 from jobflow_remote.utils.data import uuid_to_path
 
+JOB_INIT_ARGS = {k for k in inspect.signature(Job).parameters.keys() if k != "kwargs"}
+"""A set of the arguments of the Job constructor which
+can be used to detect additional custom arguments
+"""
+
 
 def get_job_path(
     job_id: str, index: int | None, base_path: str | Path | None = None
@@ -165,4 +173,16 @@ def resolve_job_dict_args(job_dict: dict, store: JobStore) -> dict:
     # substitution is in place
     job_dict["function_args"] = resolved_args
     job_dict["function_kwargs"] = resolved_kwargs
+
+    additional_store_names = set(job_dict.keys()) - JOB_INIT_ARGS
+    for store_name in additional_store_names:
+        # Exclude MSON fields
+        if store_name.startswith("@"):
+            continue
+        if store_name not in store.additional_stores:
+            raise RemoteError(
+                f"Additional store {store_name!r} is not configured for this project.",
+                no_retry=True,
+            )
+
     return job_dict
diff --git a/src/jobflow_remote/testing/__init__.py b/src/jobflow_remote/testing/__init__.py
index 4aafe91e..9981ec95 100644
--- a/src/jobflow_remote/testing/__init__.py
+++ b/src/jobflow_remote/testing/__init__.py
@@ -2,7 +2,7 @@
 
 from typing import Callable, Optional, Union
 
-from jobflow import job
+from jobflow import Response, job
 
 
 @job
@@ -41,3 +41,27 @@ def check_env_var() -> str:
     import os
 
     return os.environ.get("TESTING_ENV_VAR", "unset")
+
+
+@job(big_data="data")
+def add_big(a: float, b: float):
+    """Adds two numbers together and inflates the answer
+    to a large list list and tries to store that within
+    the defined store.
+
+    """
+    result = a + b
+    big_array = [result] * 5_000
+    return Response({"data": big_array, "result": a + b})
+
+
+@job(undefined_store="data")
+def add_big_undefined_store(a: float, b: float):
+    """Adds two numbers together and writes the answer to an artificially large file
+    which is attempted to be stored in a undefined store."""
+    import pathlib
+
+    result = a + b
+    with open("file.txt", "w") as f:
+        f.writelines([f"{result}"] * int(1e5))
+    return Response({"data": pathlib.Path("file.txt"), "result": a + b})
diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index 903d0415..112d7589 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -196,7 +196,16 @@ def write_tmp_settings(
                 "host": "localhost",
                 "port": db_port,
                 "collection_name": "docs",
-            }
+            },
+            "additional_stores": {
+                "big_data": {
+                    "type": "GridFSStore",
+                    "database": store_database_name,
+                    "host": "localhost",
+                    "port": db_port,
+                    "collection_name": "data",
+                },
+            },
         },
         queue={
             "store": {
diff --git a/tests/integration/test_slurm.py b/tests/integration/test_slurm.py
index 7dc849e9..ed9adbe0 100644
--- a/tests/integration/test_slurm.py
+++ b/tests/integration/test_slurm.py
@@ -234,3 +234,63 @@ def test_exec_config(worker, job_controller, random_project_name):
     job = job_controller.get_jobs({})[0]
     output = job_controller.jobstore.get_output(uuid=job["uuid"])
     assert output == random_project_name
+
+
+@pytest.mark.parametrize(
+    "worker",
+    ["test_local_worker", "test_remote_worker"],
+)
+def test_additional_stores(worker, job_controller):
+    from jobflow import Flow
+
+    from jobflow_remote import submit_flow
+    from jobflow_remote.jobs.runner import Runner
+    from jobflow_remote.jobs.state import FlowState, JobState
+    from jobflow_remote.testing import add_big
+
+    job = add_big(100, 100)
+    flow = Flow(job)
+    submit_flow(flow, worker=worker)
+
+    assert job_controller.count_jobs({}) == 1
+    assert job_controller.count_flows({}) == 1
+
+    runner = Runner()
+    runner.run(ticks=10)
+
+    doc = job_controller.get_jobs({})[0]
+    fs = job_controller.jobstore.additional_stores["big_data"]
+    assert fs.count({"job_uuid": doc["job"]["uuid"]}) == 1
+    assert job_controller.count_jobs(state=JobState.COMPLETED) == 1
+    assert job_controller.count_flows(state=FlowState.COMPLETED) == 1
+    assert job_controller.jobstore.get_output(uuid=doc["job"]["uuid"])["result"] == 200
+    blob_uuid = job_controller.jobstore.get_output(uuid=doc["job"]["uuid"])["data"][
+        "blob_uuid"
+    ]
+    assert list(fs.query({"blob_uuid": blob_uuid}))[0]["job_uuid"] == doc["job"]["uuid"]
+
+
+@pytest.mark.parametrize(
+    "worker",
+    ["test_local_worker", "test_remote_worker"],
+)
+def test_undefined_additional_stores(worker, job_controller):
+    from jobflow import Flow
+
+    from jobflow_remote import submit_flow
+    from jobflow_remote.jobs.runner import Runner
+    from jobflow_remote.jobs.state import JobState
+    from jobflow_remote.testing import add_big_undefined_store
+
+    job = add_big_undefined_store(100, 100)
+    flow = Flow(job)
+    submit_flow(flow, worker=worker)
+
+    assert job_controller.count_jobs({}) == 1
+    assert job_controller.count_flows({}) == 1
+
+    runner = Runner()
+    runner.run(ticks=10)
+
+    # The job should fail, as the additional store is not defined
+    assert job_controller.count_jobs(state=JobState.REMOTE_ERROR) == 1